Stickleback egg, c 1847-1859.

Description

Engraved colour plate by Protais showing changes to stickleback eggs between 15 hours and 50 hours after ovulation. From the atlas edition of 'Histoire Generale et Particuliere du Developpement des Corps' (General and Detailed History of the Development of Bodies) by M Coste (1807-1853), published in Paris, 1847-1859.